Re: Re: Re: 6 volt cub

Posted by pete L on December 12, 2003 at 10:14:42 from (198.36.89.4):

In Reply to: Re: Re: 6 volt cub posted by Muskrat on December 08, 2003 at 11:10:02:

All good comments. The fact of life with electricy is that if you increase the voltage, your wire size can get smaller and still carry the same current. Thats why high tension power lines can carry 250,000 volts and not have to have a wire the size of a saw log. 6 volt systems have half the voltage of a 12 volt system, but the current needs double. Most wires in the car parts stores are sized for 12 volts. Look for the heaviest gauge wire and use that. Smaller wires restrice the flow of current and create heat instead. Your ground should also connect to an engine/transmission casting direct. If it is connected to something else, each joint between your wire and starter adds resistance. Rusty tractors amplify that issue. Sand/grind the contact point of the lug, apply a little copper based anti-seize as a couplant and rust preventative, and tighten the wire down. Also, most wires these days have lugs that are only crimped on. Any corrosion that occurs on this joint makes matters worse. I sometimes flux and solder the wire to the lug for added security. Some words of wisdom from an old tractor guy is that every 15-20 years, all wiring on a tractor should be replace, solving a lot of issues over time. Good luck....

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